docs: def get_current_round(self, tournament=1):
          """Get number of the current active round.
  
          Args:
              tournament (int): ID of the tournament (optional, defaults to 1)
  
          Returns:
              int: number of the current active round
  
          Example:
              >>> NumerAPI().get_current_round()
              104
          """
          # zero is an alias for the current round!
          query = '''
              query($tournament: Int!) {
                rounds(tournament: $tournament
                       number: 0) {
                  number
                }
              }
          '''
          arguments = {'tournament': tournament}
          data = self.raw_query(query, arguments)['data']['rounds'][0]
          if data is None:
              return None
          round_num = data["number"]
          return round_num